81325000

素因数分解:

$2^3\times 5^5\times {\mathrm{3253}}^1$

素因数の和:3284

約数の個数: 48

約数和(自身を含む): 190651860

約数和(自身を除く): 109326860

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 3125, 3253, 5000, 6250, 6506, 12500, 13012, 16265, 25000, 26024, 32530, 65060, 81325, 130120, 162650, 325300, 406625, 650600, 813250, 1626500, 2033125, 3253000, 4066250, 8132500, 10165625, 16265000, 20331250, 40662500, 81325000]

約数ペア:

[(1, 81325000), (2, 40662500), (4, 20331250), (5, 16265000), (8, 10165625), (10, 8132500), (20, 4066250), (25, 3253000), (40, 2033125), (50, 1626500), (100, 813250), (125, 650600), (200, 406625), (250, 325300), (500, 162650), (625, 130120), (1000, 81325), (1250, 65060), (2500, 32530), (3125, 26024), (3253, 25000), (5000, 16265), (6250, 13012), (6506, 12500)]